Remove optional before prefault for zod v4

server/routers/auditLogs/queryAiSessionLog.ts

@@ -47,7 +47,6 @@ export const queryAiSessionLogsQuery = z.strictObject({
             error: "timeEnd must be a valid ISO date string"
         })
         .transform((val) => Math.floor(new Date(val).getTime() / 1000))
-        .optional()
         .prefault(() => new Date().toISOString())
         .openapi({
             type: "string",

server/routers/auditLogs/queryRequestAnalytics.ts

@@ -20,7 +20,6 @@ const queryAccessAuditLogsQuery = z.object({
             error: "timeStart must be a valid ISO date string"
         })
         .transform((val) => Math.floor(new Date(val).getTime() / 1000))
-        .optional()
         .prefault(() => getSevenDaysAgo().toISOString())
         .openapi({
             type: "string",
@@ -34,7 +33,6 @@ const queryAccessAuditLogsQuery = z.object({
             error: "timeEnd must be a valid ISO date string"
         })
         .transform((val) => Math.floor(new Date(val).getTime() / 1000))
-        .optional()
         .prefault(() => new Date().toISOString())
         .openapi({
             type: "string",

server/routers/auditLogs/queryRequestAuditLog.ts

@@ -41,7 +41,6 @@ export const queryAccessAuditLogsQuery = z.strictObject({
             error: "timeEnd must be a valid ISO date string"
         })
         .transform((val) => Math.floor(new Date(val).getTime() / 1000))
-        .optional()
         .prefault(() => new Date().toISOString())
         .openapi({
             type: "string",